ability to climb and spring off walls to the gameplay in Metroid. It was featured on the cover of the magazine's March–April 1989 issue and was referenced in the following issue in a Howard and Nester comic strip. It was one of the featured games in both March–April and May–June 1989 issues of the magazine; both issues included a walkthrough up to the fifth Act, a review, and a plot overview. Underlining the game's difficulty, it appeared in several issues in the magazine's "Counselor's Corner" and "Classified Information" help sections. The game was unveiled at the 1989 International Winter Consumer Electronics Show in Las Vegas. Its display featured a demo of the game and a live person dressed as a ninja. Tecmo predicted that the game would be the top-selling, third-party title for the NES. Demand for the game eventually exceeded its supply. While Tecmo anticipated the game would be a hit, according to Kohler they did not realize at the time the impact it would have on the video game industry "with its groundbreaking use of cinematics". Yoshizawa would go on to direct the sequel Ninja Gaiden II: The Dark Sword of Chaos (1990) and remained as an executive producer for Ninja Gaiden III: The Ancient Ship of Doom (1991), while Masato Kato took over directing the game design. Ports A PC Engine port of Ninja Ryūkenden was produced in 1992, published by Hudson Soft and released only in Japan. It features more colorful and detailed graphics, along with difficulty and gameplay tweaks and a different soundtrack. This version also supports three different language settings with Japanese, English and Chinese as the available options. However, the English translation used in this version differs from the one used in the earlier NES version. Ninja Gaiden appeared as a remake of the Ninja Gaiden Trilogy compilation for the Super NES in 1995. Some reviewers appreciated the redrawn graphics and music in this version, but others found them to be an inadequate effort. Electronic Gaming Monthly reviewers compared it unfavorably to another updated NES remake, Mega Man: The Wily Wars; they called the version "an exact port-over with no noticeable enhancements in graphics, sound and play control". Along with the other two games in the Ninja Gaiden trilogy, the SNES version was featured as an unlockable game in the 2004 Xbox Ninja Gaiden game. The NES version was released on Wii's Virtual